package com.thread.Demo03;
//观察测试线程状态
public class TestState {
    public static void main(String[] args) throws InterruptedException {
        Thread thread = new Thread(()->{
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            System.out.println("......");
        });

        //观察状态
        Thread.State state = thread.getState();
        System.out.println(state);//NEW

        //观察启动后
        thread.start();
        state = thread.getState();
        System.out.println(state);//RUN

        while(state!=Thread.State.TERMINATED){//只要线程不终止,就一致输出状态
            Thread.sleep(100);
            state = thread.getState();
            System.out.println(state);

        }

        thread.start();//报错,死亡后的线程不能再start
    }
}

    